San Francisco, California, United States · Remote Solely
Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly. We are a Series A company backed by Khosla, a16z, Mayfield, and A*, w…
Skills: iOS Development, Swift, iOS SDK, Mobile Apps, User Experience
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The role involves owning and improving Sekai’s iOS app experience, quality, and release velocity. The engineer will build and ship consumer-facing iOS features while collaborating closely with Product, Design, Backend, and Mobile engineers.
Candidates should have strong professional experience in building and shipping iOS apps, with deep familiarity with Swift and modern iOS development practices. An AI-native mindset and experience in a startup environment are also important.
Sekai is building the TikTok for mini apps — an AI-driven consumer platform where people create, remix, share, and play interactive content instantly.
We are a Series A company backed by Khosla, a16z, Mayfield, and A*, with $30M raised to date. We are remote-first across all positions and are looking for ambitious, AI-native builders who want to help shape the next generation of consumer social products.
Here are Sekai’s download links:
Android: https://play.google.com/store/apps/details?id=chat.sekai.app&hl=en_US
iOS: https://apps.apple.com/us/app/sekai-create-remix-play/id6504506653
We are looking for a Senior iOS Engineer to own Sekai’s iOS app and help us build a fast, polished, AI-native consumer experience.
This role is for someone with strong iOS experience, good consumer product taste, and the ability to move quickly in a startup environment. You should keep up with the latest Apple platform updates, understand what great mobile apps feel like, and be excited to use AI to rethink how fast a small team can build.
You will work closely with Product, Design, Backend, and Mobile engineers to improve the iOS app experience, ship new features, and help define our AI-native mobile development workflow.
Own and improve Sekai’s iOS app experience, quality, and release velocity
Build and ship consumer-facing iOS features with strong attention to speed, polish, and reliability
Bring modern iOS best practices and the latest Apple platform knowledge to the team
Work across native iOS, hybrid mobile, and web-based app experiences when needed
Partner closely with Product, Design, Backend, and Mobile engineers to move from idea to shipped product quickly
Use AI development tools to accelerate coding, debugging, refactoring, and product iteration
Strong professional experience building and shipping iOS apps
Deep familiarity with Swift, iOS SDK, and modern iOS development practices
Experience working on consumer mobile apps with high standards for UX, performance, and reliability
Experience owning projects end-to-end in a startup, 0-to-1 product environment, or similarly fast-moving team
AI-native mindset: you actively use AI tools to build faster, explore better implementation paths, and improve engineering productivity
Strong product sense and willingness to work closely with design and product teams
Experience with social, entertainment, creator, gaming, UGC, or feed-based consumer products
Experience with React Native, Flutter, WebView, or other hybrid mobile architecture
Familiarity with Android, backend systems, or full-stack product development
Experience working on AI-native products or teams that heavily use AI in day-to-day development
If you are excited about building at the frontier of AI, consumer social, and interactive entertainment, we would love to hear from you.
At Sekai, you will work with an AI-native team, move fast, own meaningful problems, and have the flexibility to explore new ideas from an early stage.
Powering the Industrial Evolution
Discover the next level of simulation with SEKAI's 3rd generation digital twins, offering unmatched flexibility, speed, and scalability. Operating from Switzerland, SEKAI leads in transforming manufacturing, energy, transportation, and smart cities through advanced virtual models powered by AI, semantic modeling, and gaming technology. This innovation enhances business operations within the industrial metaverse, delivering real-time insights and fostering collaboration across platforms, including mobile and virtual reality. Founded in 2019, SEKAI pioneers in industrial digital transformation by turning complex data silos into accessible, actionable insights. Its cutting-edge technology facilitates efficient decision-making and development of new services, with robust analytics to support "what-if" scenarios and anomaly detection. This enhances client engagement and drives business process optimization across industries. Committed to innovation, SEKAI continually sets new standards for a smarter, more connected world by leveraging its unique technology in the industrial metaverse, empowering businesses to improve efficiency and explore new avenues of innovation. Learn more at www.sekai.io
Offices: Basel, 4053, CH
Powering the Industrial Evolution
Discover the next level of simulation with SEKAI's 3rd generation digital twins, offering unmatched flexibility, speed, and scalability. Operating from Switzerland, SEKAI leads in transforming manufacturing, energy, transportation, and smart cities through advanced virtual models powered by AI, semantic modeling, and gaming technology. This innovation enhances business operations within the industrial metaverse, delivering real-time insights and fostering collaboration across platforms, including mobile and virtual reality. Founded in 2019, SEKAI pioneers in industrial digital transformation by turning complex data silos into accessible, actionable insights. Its cutting-edge technology facilitates efficient decision-making and development of new services, with robust analytics to support "what-if" scenarios and anomaly detection. This enhances client engagement and drives business process optimization across industries. Committed to innovation, SEKAI continually sets new standards for a smarter, more connected world by leveraging its unique technology in the industrial metaverse, empowering businesses to improve efficiency and explore new avenues of innovation. Learn more at www.sekai.io
Offices: Basel, 4053, CH
